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The new gas 320/620 Ace. Next generation boilers with decades of technical knowledge built-in.


The new Gas 320/620 Ace is designed with new and old building plant rooms in mind, it's compact, easy to install and maintain. It has unique low water content heat exchanger that allows for low to zero flow condition control with maximum flexibility in the operating temperature differential. The Ace control platform delivers local and remote connectivity, across a wide range of protocols. Find out more.

It's fully backed by our industry-leading 7 year warranty* and is inclusive of commissioning too.

  • ΔT of 10°C-40°C, operating range of 20°C to 80°C/90°C
  • Low to zero flow condition operation and monitoring
  • Low water content
  • Modbus gateway option for connection to a BMS system
  • Bluetooth for enhanced connectivity
  • NOx emissions from 15mg/kWh
  • Condensing efficiency up to 106.8%
  • Non-condensing efficiency up to 98.5%
  • Multiple configurations, designed for ease of installation
  • Full technical support and information
  • Commissioning included
  • 7 year warranty*.

*T&Cs apply. Visit for more information

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